Specifications

64
© 2012 Emerson Climate Technologies, Inc.
Printed in the U.S.A.
AE8-1368 R2
1
3
7
8
9
4
5
6
2
MOTOR WINDING
CONNECTIONS
WHEN CHECKING MOTOR PROTECTION SYSTEM:
MODULE POWER MUST BE DISCONNECTED BEFORE CHECKING MOTOR
SENSORS.
USE OHMMETER ONLY TO CHECK SENSOR RESISTANCE.
DO NOT SHORT ACROSS THE TERMINALS.
SENSOR RESISTANCE MEASURED FROM TERMINALS (C TO S1,S2,S3)
WITH MOTOR TEMPERATURE BELOW 60° C (140° F), SHOULD BE
WITHIN THE FOLLOWING LIMITS: 30 TO 2400 OHMS.
REFER TO EMERSON AE BULLETIN #10-1264.
USE COPPER CONDUCTORS ONLY.
USE MINIMUM 75° C (167° F) WIRE FOR AMPACITY DETERMINATION.
USE THIS EQUIPMENT ON A GROUNDED SYSTEM ONLY.
PRIMARY SINGLE PHASE FAILURE PROTECTION IS PROVIDED.
OPTIONAL CRANKCASE HEATER, FAN OR CAPACITY CONTROL
VALVE(S) MUST BE CONNECTED ONLY TO THEIR RATED VOLTAGE.
OVERCURRENT PROTECTION DEVICE RATING AND TYPE MUST BE
IN ACCORDANCE WITH REGULATORY AGENCY END PRODUCT
APPROVALS - SEE SYSTEM NAMEPLATE.
ELECTRICAL SYMBOL
LEGEND
CONTACTOR COIL
NORMALLY OPEN TIME
CLOSED CONTACT
NORMALLY OPEN
CONTACTOR CONTACTS
MAX ONE SECOND
TIME DELAY
CONTROL CONTACTS
SHOWN CLOSED
C1
TD
052-2435-00 02/09
WIRING DIAGRAM
24 VAC
OUTPUT
L1
L2
L3
CONTACTORS
WHITE
BLACK
CLASS 2 TRANSFORMER
EXTERNAL POWER SUPPLY
CURRENT
SENSOR 1
CURRENT SENSING
CURRENT
SENSOR 2
PWS ONLY
L7
L8
L9
BLACK
WHITE
WHITE
CCH
CCH
POWER
CONTROL MODULE COMM
120/240 VAC
INPUT
COMPRESSOR
WIRING
HARNESS
T3T1 T2
T7 T8 T9
MODULE POWER 24 VAC
1
2
3
7
8
9
4
5
6
1
2
3
7
8
9
456
1
2
3
7
8
9
456
L 1
T 3T 2T 1
L 3
L 2
L 1
T 3T 2
T 1
L 3
L 2
C1
C2
TD
C2
C1
CONTROLS
TD
ACROSS THE LINE CONNECTED
PART WINDING START CONNECTED
ACROSS THE LINE CONNECTED
CONTACTOR
CONTROL CIRCUIT
LINE VOLTAGE
400-460
LINE VOLTAGE
200-240
01
02
03
01
02
03
01
02
03
01
02
03
CONTROL CIRCUIT
VOLTAGE
LINE VOLTAGE
200-240